Help needed with image

[sportscanuser]

Has any body any got any ideas is the circle seen in the sonar image real I just noticed it the other day hard to see it at first if it is not real what could have caused it

Image is called 20ftcircle
http://sidescan.gfoto.com/



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[Glennk]

Has any body any got any ideas is the circle seen in the sonar image real I just noticed it the other day hard to see it at first if it is not real what could have caused it

Image is called 20ftcircle

Its hard to tell by the picture, but I could try to identify the object if you e-mail me the .81s file from the scan.

Glenn